Home / 96,779,280.80-145,168,921.20-60,947,472.80

Finding the Fourth Proportional to 96,779,280.80, 145,168,921.20 and 60,947,472.80

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Solution

The fourth proportional to 96,779,280.80, 145,168,921.20 and 60,947,472.80 is: 91,421,209.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,779,280.80 : 145,168,921.20 = 60,947,472.80 : x
  2. Step 2: Convert to fraction form
    96,779,280.80/145,168,921.20 = 60,947,472.80/x
  3. Step 3: Cross multiply
    96,779,280.80x = 145,168,921.20 × 60,947,472.80
  4. Step 4: Simplify right side
    96,779,280.80x = 8,847,678,876,242,342
  5. Step 5: Solve for x
    x = 8,847,678,876,242,342/96,779,280.80
  6. Step 6: Final answer
    x = 91,421,209.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.